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CLASSIFICATION OF OBJECTS BASED ON THE ISOMAP ALGORITHM

Publishing Venue

The IP.com Prior Art Database

Abstract

[0003] Embodiments of the disclosure may provide systems and methods for clustering, according to their similarity, any objects that have attributes or properties that can be measured and compared between different objects. In some examples these methods and systems may be applied to images or earth models (2D or 3D) grids; however, the systems and methods can also be extended to cluster or classify many other types of objects as medical diagnosis, investment portfolios, accident types, client, employees, software, products, etc. Further, embodiments of the disclosure may allow grouping the different attributes representing an object according to the similarity between them. In this way the analyst does not need to review all the attributes (grids) representing an object but just one representative for each cluster.

Country

Undisclosed

Language

English (United States)

This text was extracted from a Microsoft Word document.

At least one non-text object (such as an image or picture) has been suppressed.

This is the abbreviated version, containing approximately
23% of the total text.

Classification of Objects Based on the Isomap Algorithm

Background

[0001]
Different
types of information are stored on 2D or 3D grids (satellite images, seismic
attributes extractions, earth model property grids, echography or radiographic
images, etc.) in different science domains.
Frequently, different properties or attributes (grids) are measured from
the same object, which may enable the use of multiple attributes analysis in
the classification of the objects (different seismic attributes, satellite
images extracted in different bands etc.).
Each one of these properties or attributes of an object can be
considered as a different dimension of the object in the analysis domain. These different dimensions can show
correlation between them and thus duplicate information.

[0002]
The analysis of the different grids
(dimensions) representing an object as to identify those objects that highlight
certain features (a bright spot, a dim spot, a channel, a tumor) can take a
long time because it is executed manually by an expert in the interpretation
domain.

SUMMARY

[0003]
Embodiments of the disclosure may provide systems
and methods for clustering, according to their similarity, any objects that
have attributes or properties that can be measured and compared between
different objects. In some examples
these methods and systems may be applied to images or earth models (2D or 3D)
grids; however, the systems and methods can also be extended to cluster or
classify many other types of objects as medical diagnosis, investment
portfolios, accident types, client, employees, software, products, etc. Further, embodiments of the disclosure may allow
grouping the different attributes representing an object according to the
similarity between them. In this way the
analyst does not need to review all the attributes (grids) representing an
object but just one representative for each cluster.

[0004]
The present systems and methods may advance
from the Principal Component Analysis and may extend Multidimensional Scaling. In particular, the present system and methods
may differentiate from these based at least partially on handling the case of
nonlinear behavior of the variables.

[0005]
An example of the application of the present
methods and systems is a geophysicist analyzing attributes extracted over a
seismic horizon. The geophysicist can
extract 50 different attributes in a few minutes, but will need a long time to
visually analyze the different images generated. With the present method and system, the
geophysicist will run a process that automatically will group the images in
clusters according to the similarity between them. The geophysicist may then analyze one image
per cluster reducing the time spent on the analysis.

[0006]
Similarly, a geomodeler may create 3D earth
models. The visualization of the models is
complicated and may require running a simulation on the models to determine a
difference between them. The simulation may,
...